On-line monitoring device for quality of lubricating oil of coal mining machine in coal mine

Abstract

The utility model discloses a coal mining machine lubricating oil quality on-line monitoring device which comprises a control module, the control module is electrically connected with a processing module, the processing module is electrically connected with a driving module, the driving module is electrically connected with a monitoring module, the monitoring module is electrically connected with a first photoelectric coupler, and the first photoelectric coupler is electrically connected with a second photoelectric coupler. The first photoelectric coupler is electrically connected with a second photoelectric coupler, and the second photoelectric coupler is electrically connected with the processing module; sensors adopted in the monitoring module are all integrated sensors, each sensor comprises an outer shell, a circuit shell is arranged on the outer shell, a monitoring head is connected to the circuit shell, a connecting edge is arranged at the end of the outer shell, and a sealing rubber ring is installed on the connecting edge. The oil storage monitoring device has the advantages of photoelectric information transmission, improved anti-interference capability, convenience in installation, improved sealing performance, external oil storage monitoring, improved safety and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining machines, in particular to an online monitoring device for the quality of lubricating oil of coal mining machines. Background Art

[0002] Coal mining machine is one of the main equipment of comprehensive mining equipment. Coal mining machine is developed from coal cutting machine. Coal mining machine is a large and complex system integrating mechanical, electrical and hydraulic functions. The working environment is harsh. If a failure occurs, the entire coal mining work will be interrupted, resulting in huge economic losses.

[0003] Coal mining machine is one of the important equipment to realize the mechanization and modernization of coal mine production. Mechanized coal mining can reduce physical labor, improve safety, and achieve the goals of high output, high efficiency and low consumption.

[0004] In the longwall coal mining face, the coal mining machine uses the working mechanism to break the coal from the coal body (breaking coal) and load it into the face conveyor (loading coal). The coal mining machine moves at the set traction speed (traction), so that the coal breaking and coal loading processes can be carried out continuously.

[0005] When the coal mining machine is in use, it is necessary to monitor the lubricating oil of the rocker arm to improve the safety of the rocker arm. The monitoring of the coal mining machine generally includes oil monitoring of the rocker arm and oil monitoring of the hydraulic oil tank, both of which require the use of probe sensors.

[0006] However, the existing monitoring sensors are easily affected by the underground environment when in use. That is, the operation of the coal mining machine will generate electromagnetic fields and noise vibrations, which will affect the transmitted monitoring information, causing large interference in the data information and inaccuracy. In addition, after installation, the existing sensors are not convenient for storing lubricating oil and need to be inserted into the equipment, which can easily cause collisions with the mechanical structure and poor sealing. Utility Model Content

[0007] The purpose of the utility model is to provide an online monitoring device for the quality of lubricating oil of a coal mining machine, which has the advantages of photoelectric information transmission, improved anti-interference ability, easy installation, improved sealing, external oil storage monitoring, and improved safety, so as to solve the problems raised in the above-mentioned background technology.

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] An online monitoring device for lubricating oil quality of a coal mining machine in a coal mine, comprising a control module, the control module is electrically connected to a processing module for preprocessing data information, the processing module is electrically connected to a driving module for driving a sensor, the driving module is electrically connected to a monitoring module for monitoring lubricating oil, the monitoring module is electrically connected to a first photoelectric coupler for transmitting data information, the first photoelectric coupler is electrically connected to a second photoelectric coupler, and the second photoelectric coupler is electrically connected to the processing module;

[0010] The sensors used in the monitoring module are all integrated sensors, and all include an outer shell, a circuit shell is fixedly provided on the outer shell, a monitoring head is connected to the circuit shell, a connecting edge is fixedly provided at the end of the outer shell, and a sealing rubber ring is fixedly installed on the connecting edge.

[0011] Preferably, the control module is electrically connected to an auxiliary module, the auxiliary module includes a display screen for displaying data information, the auxiliary module includes a button unit for control and adjustment, the auxiliary module includes a timing module for timing and marking, the auxiliary module includes a storage unit for storing data information, and the auxiliary module includes a reset unit for restarting due to fault anomalies.

[0012] Preferably, the processing module includes a receiving unit for acquiring data information, the processing module includes a gain unit for amplifying the data information, the processing module includes a conversion unit for performing analog-to-digital conversion on the data information, and the processing module includes a filtering unit for filtering out interference from the data information.

[0013] Preferably, the control module is electrically connected to a power supply module for providing stable power to the system, the power supply module is electrically connected to the battery of the coal mining machine, the power supply module includes a step-down circuit for reducing high voltage, the power supply module includes a voltage stabilizing circuit for stabilizing and reducing voltage, and the power supply module includes a filter circuit for filtering out AC voltage in DC voltage.

[0014] Preferably, the monitoring module includes a moisture sensor for monitoring the moisture in the lubricating oil, a cleanliness sensor for monitoring the cleanliness of the lubricating oil, an oil quality sensor for monitoring the quality of the lubricating oil, and a ferromagnetic wear sensor for monitoring ferromagnetic particles in the lubricating oil.

[0015] Preferably, an oil storage cavity is provided inside the outer shell, the monitoring head is located inside the oil storage cavity, and a first engaging groove and a second engaging groove are provided on the connecting edge.

[0016] Preferably, a first connecting strip and a second connecting strip are fixedly provided on one side of the sealing rubber ring, and the first connecting strip and the second connecting strip are respectively snap-connected to the inside of the first snap-fit ​​groove and the second snap-fit ​​groove, and a first sealing strip, a second sealing strip and a third sealing strip are fixedly provided on the other side of the sealing rubber ring.

[0017] Preferably, both ends of the connecting edge and the sealing rubber ring are provided with threaded connecting holes.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] When the utility model is in use, the quality of the lubricating oil of the coal mining machine is monitored through the sensor in the monitoring module, predictive maintenance is performed, equipment reliability is improved, and the working condition and wear condition of the lubrication system of the coal mining machine are monitored online in real time, so that early signs of failure can be discovered in time, and corresponding solutions can be adopted to prevent the occurrence of major accidents; and in order to prevent data information from being interfered by the electromagnetic, noise and vibration of the coal mining machine, a photoelectric coupler is adopted to transmit data information, the transmission stability of data information is improved, the clarity of data information is maintained, and the monitoring head is stored in the oil storage cavity of the outer shell, which is convenient for external monitoring of the lubricating oil, and the detection head is prevented from colliding and being damaged with the coal mining machine structure, and the connecting edge is installed and connected by a sealing rubber ring to improve the sealing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a system schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the structure of the utility model;

[0022] Figure 3 It is a cross-sectional schematic diagram of the utility model;

[0023] Figure 4 It is a partial structural schematic diagram of the utility model;

[0024] Figure 5 It is a schematic diagram of one side of the sealing rubber ring of the utility model;

[0025] Figure 6 It is a schematic diagram of the other side of the sealing rubber ring of the utility model.

[0026] In the figure: 1. outer shell; 2. connecting edge; 3. circuit shell; 4. oil storage chamber; 5. monitoring head; 6. first engaging groove; 7. second engaging groove; 8. threaded connecting hole; 9. sealing rubber ring; 10. third sealing strip; 11. first connecting strip; 12. second connecting strip; 13. first sealing strip; 14. second sealing strip. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-6 , the utility model provides a technical solution:

[0029] An online monitoring device for lubricating oil quality of a coal mining machine in a coal mine, comprising a control module, the control module is electrically connected to a processing module for preprocessing data information, the processing module is electrically connected to a driving module for driving a sensor, the driving module is electrically connected to a monitoring module for monitoring lubricating oil, the monitoring module is electrically connected to a first photoelectric coupler for transmitting data information, the first photoelectric coupler is electrically connected to a second photoelectric coupler, and the second photoelectric coupler is electrically connected to the processing module;

[0030] The sensors used in the monitoring module are all integrated sensors, and include an outer shell 1, on which a circuit shell 3 is fixedly provided, to which a monitoring head 5 is connected, and an end of the outer shell 1 is fixedly provided with a connecting edge 2, on which a sealing rubber ring 9 is fixedly installed.

[0031] In this embodiment, preferably, the control module is electrically connected to an auxiliary module, the auxiliary module includes a display screen for displaying data information, the auxiliary module includes a button unit for control and adjustment, the auxiliary module includes a timing module for timing and marking, the auxiliary module includes a storage unit for storing data information, and the auxiliary module includes a reset unit for restarting due to fault anomalies. Through the setting of the auxiliary unit, it is convenient to control and adjust the lubricating oil quality monitoring equipment, thereby improving the convenience of the tank.

[0032] In this embodiment, preferably, the processing module includes a receiving unit for acquiring data information, the processing module includes a gain unit for amplifying the data information, the processing module includes a conversion unit for performing analog-to-digital conversion on the data information, and the processing module includes a filtering unit for filtering out interference from the data information. The data information is calculated and processed by the processing module, so as to facilitate receiving, amplifying, converting and filtering out noise of the data, thereby improving the clarity of the data information.

[0033] In this embodiment, preferably, a power supply module for stably powering the system is electrically connected to the control module. The power supply module is electrically connected to the battery of the shearer. The power supply module includes a buck circuit for reducing high voltage, a voltage stabilizing circuit for stabilizing and reducing voltage, and a filtering circuit for filtering out AC voltage in DC voltage. The power supply module realizes stable power supply for the system, maintains the operation of the system, and monitors the quality of the lubricating oil of the shearer.

[0034] In this embodiment, preferably, the monitoring module includes a moisture sensor for monitoring the moisture in the lubricating oil, a cleanliness sensor for monitoring the cleanliness of the lubricating oil, an oil quality sensor for monitoring the quality of the lubricating oil, and a ferromagnetic wear sensor for monitoring ferromagnetic particles in the lubricating oil. The quality of the lubricating oil of the shearer is monitored through multiple sensors, which is convenient for monitoring the moisture, quality, cleanliness and ferromagnetic particles of the lubricating oil, and improves the use safety of the shearer.

[0035] In this embodiment, preferably, an oil storage cavity 4 is provided inside the outer housing 1, the monitoring head 5 is located inside the oil storage cavity 4, and a first clamping groove 6 and a second clamping groove 7 are formed on the connecting edge 2. The setting of the oil storage cavity 4 facilitates the entry of lubricating oil, enabling the monitoring head 5 to easily monitor the lubricating oil. Moreover, the monitoring head 5 does not need to penetrate deep into the shearer, improving the use safety. The settings of the first clamping groove 6 and the second clamping groove 7 facilitate the installation and fixation of the sealing rubber ring 9.

[0036] In this embodiment, preferably, a first connecting strip 11 and a second connecting strip 12 are fixedly provided on one side of the sealing rubber ring 9. The first connecting strip 11 and the second connecting strip 12 are respectively clamped and connected inside the first clamping groove 6 and the second clamping groove 7. On the other side of the sealing rubber ring 9, a first sealing strip 13, a second sealing strip 14 and a third sealing strip 10 are fixedly provided. By clamping the first connecting strip 11 and the second connecting strip 12 in the first clamping groove 6 and the second clamping groove 7, the sealing rubber ring 9 is fixedly installed, maintaining the stability of the connection. In addition, the first sealing strip 13, the second sealing strip 14 and the third sealing strip 10 can improve the sealing performance after the outer housing 1 is connected and installed to the shearer, preventing the leakage of lubricating oil.

[0037] In this embodiment, preferably, threaded connection holes 8 are provided at both ends of the connecting edge 2 and the sealing rubber ring 9. The setting of the threaded connection holes 8 facilitates the installation and connection of the connecting edge 2 and the shearer.

[0038] Working principle: When in use, the outer shell 1 is first fixedly installed on the rocker arm and oil tank of the coal mining machine through the fixing bolts and the threaded connection holes 8 on the connecting edge 2. During installation, the sealing rubber ring 9 is set, and the first sealing strip 13, the second sealing strip 14 and the third sealing strip 10 set on the sealing rubber ring 9 can improve the sealing between the outer shell 1 and the coal mining machine. During operation, the lubricating oil enters the oil storage chamber 4, so that the monitoring head 5 can contact the lubricating oil to detect the lubricating oil, including a moisture sensor for monitoring moisture, a cleanliness sensor for monitoring cleanliness, an oil sensor for monitoring quality and a ferromagnetic wear sensor for monitoring ferromagnetic particles. The monitoring module receives instructions from the control module, and the processing module transmits the instructions to the drive module. The drive module drives the monitoring module so that the monitoring module can monitor the lubricating oil. The monitored data is transmitted to the processing module through the first photoelectric coupler and the second photoelectric coupler. The processing module transmits the data information to the control module, and the control module performs calculation processing, and generates an alarm and transmits it to the remote terminal.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An online monitoring device for lubricating oil quality of a coal mining machine, comprising a control module, characterized in that: The control module is electrically connected to a processing module for preprocessing data information, the processing module is electrically connected to a driving module for driving a sensor, the driving module is electrically connected to a monitoring module for monitoring lubricating oil, the monitoring module is electrically connected to a first photoelectric coupler for transmitting data information, the first photoelectric coupler is electrically connected to a second photoelectric coupler, and the second photoelectric coupler is electrically connected to the processing module; The sensors used in the monitoring module are all integrated sensors, and all include an outer shell (1), a circuit shell (3) is fixedly provided on the outer shell (1), a monitoring head (5) is connected to the circuit shell (3), a connecting edge (2) is fixedly provided at the end of the outer shell (1), and a sealing rubber ring (9) is fixedly installed on the connecting edge (2).

2. The on-line monitoring device for lubricating oil quality of a coal mining machine according to claim 1, characterized in that: The control module is electrically connected to an auxiliary module, the auxiliary module includes a display screen for displaying data information, the auxiliary module includes a key unit for control and adjustment, the auxiliary module includes a timing module for timing and marking, the auxiliary module includes a storage unit for storing data information, and the auxiliary module includes a reset unit for restarting in case of fault anomaly.

3. The on-line monitoring device for lubricating oil quality of a coal mining machine according to claim 1, characterized in that: The processing module includes a receiving unit for acquiring data information, the processing module includes a gain unit for amplifying the data information, the processing module includes a conversion unit for performing analog-to-digital conversion on the data information, and the processing module includes a filtering unit for filtering interference from the data information.

4. The on-line monitoring device for lubricating oil quality of a coal mining machine according to claim 1, characterized in that: The control module is electrically connected to a power supply module for providing stable power to the system, the power supply module is electrically connected to the battery of the coal mining machine, the power supply module includes a step-down circuit for reducing high voltage, the power supply module includes a voltage stabilizing circuit for stabilizing and reducing voltage, and the power supply module includes a filter circuit for filtering out AC voltage in DC voltage.

5. The on-line monitoring device for lubricating oil quality of a coal mining machine according to claim 1, characterized in that: The monitoring module includes a moisture sensor for monitoring the moisture in the lubricating oil, a cleanliness sensor for monitoring the cleanliness of the lubricating oil, an oil quality sensor for monitoring the quality of the lubricating oil, and a ferromagnetic wear sensor for monitoring ferromagnetic particles in the lubricating oil.

6. The on-line monitoring device for lubricating oil quality of a coal mining machine according to claim 1, characterized in that: The outer shell (1) is provided with an oil storage cavity (4), the monitoring head (5) is located inside the oil storage cavity (4), and the connecting edge (2) is provided with a first engaging groove (6) and a second engaging groove (7).

7. The on-line monitoring device for lubricating oil quality of a coal mining machine according to claim 6, characterized in that: A first connecting strip (11) and a second connecting strip (12) are fixedly provided on one side of the sealing rubber ring (9), and the first connecting strip (11) and the second connecting strip (12) are respectively snap-fitted and connected inside the first snap-fit ​​groove (6) and the second snap-fit ​​groove (7), and a first sealing strip (13), a second sealing strip (14) and a third sealing strip (10) are fixedly provided on the other side of the sealing rubber ring (9).

8. The on-line monitoring device for lubricating oil quality of a coal mining machine according to claim 7, characterized in that: Threaded connection holes (8) are provided at both ends of the connection edge (2) and the sealing rubber ring (9).

Images